harden
🇬🇧/ˈhɑːd(ə)n/ 🇺🇸/ˈhɑːrdn/📚 8379 106 2四级六级考研托福When something hardens or when you harden it, it becomes stiff or firm. 使变硬; 变硬
verb [vt. 及物动词]（使）变硬，坚固；（使）更坚定，更强硬；使变得冷酷无情，使麻木不仁；（使声音，面孔等）更严肃，更严厉；变明确；（价格、经济）变得更稳定；（股票、商品价格等）升水（上涨并保持高价位）
When an attitude or opinion hardens or is hardened, it becomes harsher, stronger, or fixed. (
使) 更坚定; (使) 更强硬
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